To construct a more durable long-life asphalt pavement with semi-rigid base, we combine different technical characteristics of long-life asphalt pavements reported at home and abroad. Different interlayer bonding conditions and moduli of the bottom sublayer are considered to analyze the mechanical-state differences among long-life asphalt pavements with semi-rigid base. The following two issues are discussed: fatigue failure in the surface layer and coordination between antirutting and antifatigue characteristics. Four-point bending fatigue tests are then used at various temperatures and loading modes to evaluate the antifatigue characteristics of high-modulus asphalt concretes. The index of accumulative dissipated energy is adopted to compare with materials in the upper sublayer. Analysis results indicate that the application of high-modulus asphalt concrete in long-life asphalt pavement with semi-rigid base can improve antirutting and antifatigue characteristics and has some rationality.


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    Title :

    Rationality of Applying High-Modulus Asphalt Concrete in Long-Life Asphalt Pavement with Semi-Rigid Base


    Contributors:
    Yang, Guang (author) / Wang, Xu-dong (author)


    Publication date :

    2020-06-01


    Size :

    92020-01-01 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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